Home / 42,301.44-63,452.16-11,141.28

Finding the Fourth Proportional to 42,301.44, 63,452.16 and 11,141.28

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Solution

The fourth proportional to 42,301.44, 63,452.16 and 11,141.28 is: 16,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.44 : 63,452.16 = 11,141.28 : x
  2. Step 2: Convert to fraction form
    42,301.44/63,452.16 = 11,141.28/x
  3. Step 3: Cross multiply
    42,301.44x = 63,452.16 × 11,141.28
  4. Step 4: Simplify right side
    42,301.44x = 706,938,281.16
  5. Step 5: Solve for x
    x = 706,938,281.16/42,301.44
  6. Step 6: Final answer
    x = 16,711.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.